The combination of marine ship salvage rubber airbags for lifting can have the capability of lifting and transportation heavy objects over 16&comma; 000 ton&period; They are being widely utilised in moving extra heavy objects such as large scale reinforced concrete&comma; structure&comma; caission&comma; oil drilling equipment&comma; whole building structure and etc&period; Airbag heavy lifting and transportation needs no railways or trolley&comma; has low demand of ground so this technology can save most investment and time&period; The booming airbag caisson transportation is the typical illustration of this application&period; In appropriat condition caisson can be launched into water directly with airbag or else caisson will be shifted to sub-mersible barge for launch&period;

2&period; Standard number of layer for marine ship salvage rubber airbags for lifting

In order to confirm lifting airbags safety working pressure we define the number of layers&comma; which means the number of synthetic-tire-cord layers&period; Normally we offer lifting airbag with 4&comma; 5&comma; 6&comma; 7&comma; 8 layers&period; Other type are available upon request&period;

1&period; D1&period;5&colon; The diameter is 1&period;5m2&period; EL15m&colon; The effective length is 15m3&period; YT-6&colon; The number of Synethetic-tire-cord layer is 6 layers&period; 4&period;1260D&colon; The type of synethetic-tire-cord layer is 1260&period;